courtyard water evaporation naturally ventilated cooling

A courtyard fountain can cool a building without electricity

In hot, dry climates, traditional buildings sometimes use shaded courtyards, fountains and pools to reduce heat. Evaporating water absorbs energy from the surrounding air, while carefully designed openings help move cooler air through living spaces. The effectiveness depends on humidity and airflow, but the principle can reduce reliance on mechanical cooling.

Greek cities had to work together to defeat Persia

Greek victory over the much larger Persian Empire depended on alliances between city-states. They shared resources and split military jobs among themselves in ways that no single Greek city could have managed alone.

Red Sea species moved into the Mediterranean

>1,000 Marine Species

Since the Suez Canal opened in 1869, more than 1,000 marine species from the Red Sea have moved north and settled in the Mediterranean. Some now make up a significant part of its ecosystem.

Like this? There’s a whole feed of it. Replace empty scrolling with things worth knowing.

Download Hence for free

courtyard water evaporation naturally ventilated cooling

A courtyard fountain can cool a building without electricity

Keep exploring